anyone using 5w50 redline?
I have a 2015 m6 gc and I have being using various brands of 5w40 (liqui moly, Castrol, mobil1), but my car still drinks about 1qt every 1k miles or so. I know troyjeup recommends 5w50 redline, but how many people have been using it consistently and if they had any issues. I want to make the switch to 5w50, but want to see if anyone/how many people have been using this and their reviews.
Thanks in advance.
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